Unit Testing Jobs

KryptoGo helps businesses and users manage digital assets through secure wallet infrastructure and compliance tools.

R3 provides enterprise blockchain infrastructure for regulated financial institutions through its Corda distributed ledger platform.

Tools for Humanity is a technology company building products for humans in the age of AI. It contributes to World and develops proof-of-human hardware and software, including the Orb, alongside World App services for World ID and digital-asset management.

Ematiq is a proprietary algorithmic trading firm that uses advanced mathematics and data-driven models to trade prediction markets and sports betting exchanges. The company is built by a team of mathematicians, traders, and engineers who develop internal software and statistical models to find edges in the markets.

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OXIO is a Telecom-as-a-Service (TaaS) platform that enables companies to launch and manage their own mobile networks (MVNOs) using a cloud-native, API-first platform. It serves retailers, fintechs, device/IoT companies, celebrities/lifestyle brands, MVNOs, and network operators looking to embed or launch connectivity products without needing telecom expertise.

OXIO is a Telecom-as-a-Service (TaaS) platform that enables companies to launch and manage their own mobile networks (MVNOs) using a cloud-native, API-first platform. It serves retailers, fintechs, device/IoT companies, celebrities/lifestyle brands, MVNOs, and network operators looking to embed or launch connectivity products without needing telecom expertise.

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Paxos Labs is the financial utility stack for digital assets, enabling platforms to embed yield, borrowing, and branded stablecoins into their user experience. It serves platforms and enterprises looking to activate and monetize digital assets natively, extending Paxos's regulated infrastructure onchain.

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J-CAM Inc. is a Tokyo-based fintech company that operates a crypto investment service and a Web3.0-focused media platform, aiming to raise financial literacy in Japan while helping users turn digital assets into revenue-generating investments. Its clients are primarily Japan-based retail investors and readers interested in cryptocurrency, blockchain, and next-generation finance.

ScorePlay is a free football score-prediction game built on Base where players predict exact match scores rather than just the winner. Leagues can be started by sending a single link, and results are recorded on-chain for a public, permanent leaderboard.

Busha operates a cryptocurrency exchange platform enabling users to buy, sell, trade, and manage digital assets with Nigerian Naira and Kenyan Shilling integration.

Stealth

Xsolla is a video game commerce company that provides a suite of tools and services—including merchant of record payment processing, tax management, fraud prevention, compliance, refunds, dispute management, and end-user support—to help game developers and publishers launch, grow, and monetize their games globally. It serves video game developers, publishers, and studios of all sizes across global and regional markets.

Xsolla is a video game commerce company that provides a suite of tools and services—including merchant of record payment processing, tax management, fraud prevention, compliance, refunds, dispute management, and end-user support—to help game developers and publishers launch, grow, and monetize their games globally. It serves video game developers, publishers, and studios of all sizes across global and regional markets.

PDAX is a cryptocurrency exchange and wealth app for Filipino users to trade digital assets, invest in government bonds, and access digital collectibles.